S-91052A122 M16 x 50 mm ISO 8676, DIN 961 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance under heavy loads, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance provided by the zinc yellow-chromate plating extends service life, even in harsh or outdoor industrial environments.
• High hardness rating of Rockwell C32 offers excellent wear resistance, maintaining thread integrity and dimensional stability through repeated use.
• Fine thread pitch (1.5mm) delivers enhanced clamping force and vibration resistance, ideal for precision assemblies requiring secure, long-lasting fastening.
• Fully threaded design allows for maximum grip length and adjustability, accommodating various material thicknesses with consistent holding power.
• External hex drive and hex head facilitate easy installation and high-torque tightening using standard tools, speeding up assembly processes.
• Class 10.9 strength grade guarantees high yield and tensile strength, meeting rigorous industrial standards for safety and durability.

Professional Applications & Engineering Value

This M16 hex head screw is engineered to address critical challenges in heavy-duty industrial settings, where vibration resistance and corrosion protection are paramount. The Class 10.9 steel construction, combined with a fine metric thread (1.5mm pitch), ensures secure fastening in machinery, structural frames, and automotive components, minimizing loosening under dynamic loads. The zinc yellow-chromate finish provides a robust barrier against rust and chemical exposure, extending maintenance intervals in environments like manufacturing plants or outdoor infrastructure. Fully threaded and compliant with ISO 8676/DIN 961, it offers versatile installation for applications requiring high tensile strength and reliable performance in demanding engineering projects.

Specification Summary & Compliance

This fastener adheres to precise metric dimensions, including an M16 thread size with a 1.5mm fine pitch and Class 6h thread fit for accurate engagement. It meets ISO 8676 and DIN 961 specifications for hex head screws, ensuring consistency in manufacturing and performance. The zinc yellow-chromate plating aligns with RoHS and REACH compliance for environmental safety, while the Class 10.9 strength grade certifies high mechanical properties suitable for industrial use.